Results 21 to 30 of about 18,586 (194)

Improved Dehydrogenation Properties of 2LiNH2-MgH2 by Doping with Li3AlH6

open access: yesMetals, 2017
Doping with additives in a Li-Mg-N-H system has been regarded as one of the most effective methods of improving hydrogen storage properties. In this paper, we prepared Li3AlH6 and evaluated its effect on the dehydrogenation properties of 2LiNH2-MgH2. Our
Shujun Qiu   +7 more
doaj   +1 more source

Unexpected Metal-Free Dehydrogenation of a β-Ketoester to a Phenol Using a Recyclable Oxoammonium Salt

open access: yesMolbank, 2021
The conversion of ethyl 2-oxocyclohexanecarboxylate to ethyl salicylate using an oxoammonium salt is reported. The dehydrogenation reaction is operationally simple and compares favorably with previous literature examples for the same transformation and ...
Fabrizio Politano   +3 more
doaj   +1 more source

Hydrogen Generation from Methane on FeN3 and FeN4 Embedded Graphene Surface Using DFT Method with Grimme-D3 Dispersion Correction

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022
In this article, the catalytic effect of Nx graphene embedded by Fe metal has been conducted for methane (CH4) decomposition reaction using Density Functional Theory (DFT) calculations with Grimme-D3 dispersion correction.
Hilal Küçük
doaj   +1 more source

TiMn2-Based Intermetallic Alloys for Hydrogen Accumulation: Problems and Prospects

open access: yesУспехи физики металлов, 2021
The main advantages of hydrogen as an energy carrier in comparison with currently used hydrocarbons are determined. By comparing the advantages and disadvantages of available methods of hydrogen storage, it was proved that storage of it in a bound state (
V. A. Dekhtyarenko, D. G. Savvakin, V. I. Bondarchuk, V. M. Shyvaniuk, T. V. Pryadko, O. O. Stasiuk
doaj   +1 more source

Ambient sunlight-driven photothermal methanol dehydrogenation for syngas production with 32.9 % solar-to-hydrogen conversion efficiency

open access: yesiScience, 2021
Summary: Methanol dehydrogenation is an efficient way to produce syngas with high quality. The current efficiency of sunlight-driven methanol dehydrogenation is poor, which is limited by the lack of excellent catalysts and effective methods to convert ...
Xianhua Bai   +9 more
doaj   +1 more source

Beta Titanium Alloys Produced from Titanium Hydride: Effect of Alloying Elements on Titanium Hydride Decomposition

open access: yesMetals, 2020
The use of titanium hydride as a raw material has been an attractive alternative for the production of titanium components produced by powder metallurgy, due to increased densification of Ti compacts, greater control of contamination and cost reduction ...
Caterina Chirico   +3 more
doaj   +1 more source

Mathematical Modeling of Thermally Coupled Cyclohexane Dehydrogenation and Nitrobenzene Hydrogenation Reactors

open access: yesJournal of Chemical and Petroleum Engineering, 2022
This work aims to develop a one-dimensional mathematical model for a novel multi - tubular thermally coupled reactor in the steady-state condition. The mentioned thermally coupled reactor includes the endothermic reaction of cyclohexane dehydrogenation ...
Roozbeh Ghani   +2 more
doaj   +1 more source

Ethyl 2-[2-(4-Nitrobenzoyl)-1H-indol-3-yl]acetate

open access: yesMolbank, 2017
Ethyl 2-[2-(4-nitrobenzoyl)-1H-indol-3-yl]acetate was prepared in good yield and characterized by the aza-alkylation/intramolecular Michael cascade reaction of (E)-ethyl 3-[2-(tosylamino)phenyl]acrylate with 2-bromo-4′′-nitroacetophenone, followed by ...
Sunyoung Choi, Sung-Gon Kim
doaj   +1 more source

THE INFLUENCE OF MOLYBDENUM AND TUNGSTEN ON THE CRM-OXIDE CATALYST REACTIVITY IN PROPANE ACTIVATION: A QUANTUM MECHANICS CALCULATION [PDF]

open access: yesEuropean Journal of Materials Science and Engineering, 2020
A quantum chemical calculation for the activation of propane across CrM-oxide (M = Cr, Mo, and W) catalysts in the dehydrogenation of propane into propylene was studied. The calculation was carried out via the use of the PM3 semi-empirical approach.
Toyese OYEGOKE   +3 more
doaj   +1 more source

Pressure Driven Alkane Dehydrogenation by Palladium Metal

open access: yesAdvanced Materials Interfaces, 2023
Dehydrogenation of alkanes is of increasing importance in fulfilling global demand for olefins and offers a potential source of carbon‐neutral hydrogen as a co‐product. Currently commercial dehydrogenation processes occur at high‐temperatures (500–900 °C)
Mungo Frost   +4 more
doaj   +1 more source

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